IDC资讯中心
/* ———————————–
产生论坛分类目录内容表过程
———————————– */
create procedure sp_createnew_bbscontent
@tabname varchar(200)=,
@boardid int
as
declare @tri_inst_name nvarchar(100)
declare @tri_up_name nvarchar(100)
declare @tri_del_name nvarchar(100)
declare @deltab nvarchar(100)
declare @st nvarchar(2000)
select @tri_inst_name=inst_bbscontent+ltrim(rtrim(str(@boardid)))
select @tri_up_name=up_bbscontent+ltrim(rtrim(str(@boardid)))
select @tri_del_name=delete_bbscontent+ltrim(rtrim(str(@boardid)))
select @deltab=drop table +@tabname
if len(@tabname)=0
return
if exists (select * from sysobjects where id = object_id(@tabname) and objectproperty(id, nisusertable) = 1)
exec sp_executesql @deltab
select @st=create table +@tabname+
(
announceid int identity (1, 1) not null ,
parentid int default (0) null ,
child int default (0) null ,
user_id int null ,
boardid int null ,
topic nvarchar (255) null ,
body ntext null ,
dateandtime datetime default (getdate()) null ,
hits int default (0) null ,
length int default (0) null ,
rootid int default (0) null ,
layer tinyint default (1) null ,
orders int default (0) null ,
ip nvarchar (20) default (0) null ,
expression nvarchar (50) null ,
forbid tinyint default(0) null
)
exec sp_executesql @st
select @st=create trigger + @tri_inst_name+ on +@tabname+
for insert
as
declare @rid integer,@pid integer
select @pid=parentid from inserted
if @pid = 0
begin
select @rid =@@identity
update + @tabname+ set rootid=@rid where announceid=@rid
end
exec sp_executesql @st
select @st=create trigger + @tri_up_name+ on +@tabname+
for update
as
declare @pid int ,@rid int,@forbid tinyint
if update(forbid)
begin
select @pid = parentid,@rid = rootid,@forbid=forbid from inserted
/* 如果其父没有开放 则不能开放 */
if exists ( select * from +@tabname + where announceid = @pid and forbid!= 0 )
begin
rollback transaction
return
end
update +@tabname+ set forbid=@forbid where rootid=@rid and parentid>@pid
end
exec sp_executesql @st
select @st=create trigger + @tri_del_name+ on +@tabname+
for delete
as
declare @pid int ,@rid int
select @pid = parentid,@rid = rootid from deleted
delete from +@tabname + where rootid=@rid and parentid>@pid
exec sp_executesql @st
